Digestive System

 Digestive System Introduction The respiratory and circulatory systems work together to provide cells with the Oxygen they need for cellular Respiration. Cells also need glucose for cellular respiration. Glucose is a simple sugar that comes from the food we eat. To get glucose from food, digestion must occur. This process is carried out … Read more

Digestive System (1)

 Digestive System Introduction v  The respiratory and circulatory systems work together to provide cells with the Oxygen they need for cellular Respiration. v  Cells also need glucose for cellular respiration. Glucose is a simple sugar that comes from the food we eat. v  To get glucose from food, digestion must occur. This process … Read more

Excretion

–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> :In Plants , the process by which animals and plants rid themselves of waste products and of the nitrogenous by-products of Metabolism. Through excretion organisms control osmotic pressure—the balance between inorganic ions and water—and maintain acid-base balance. The process thus promotes homeostasis, the constancy of the … Read more